1. School of Clinical Medicine Peking Union Medical College Beijing China
2. Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
3. Department of Internal Medicine Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
4. Department of Radiology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
5. Department of Rheumatology Fangshan Hospital Beijing University of Chinese Medicine Beijing China